CN204455148U - A kind of blast furnace slag quenching water waste heat recovery washing slag water switched system - Google Patents
A kind of blast furnace slag quenching water waste heat recovery washing slag water switched system Download PDFInfo
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- CN204455148U CN204455148U CN201420864724.6U CN201420864724U CN204455148U CN 204455148 U CN204455148 U CN 204455148U CN 201420864724 U CN201420864724 U CN 201420864724U CN 204455148 U CN204455148 U CN 204455148U
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Abstract
The utility model proposes a kind of blast furnace slag quenching water waste heat recovery washing slag water switched system, only adopt a set of washing slag water heat-obtaining system, the waste heat recovery achieving washing slag water system and washing slag water system for subsequent use is switched by pipeline, can also by controlling water pump, valve controls washing slag water current through line flexibly, ensure flushing cinder system and heat-obtaining system quick, switch timely, comprise: blast furnace and a set of washing slag water system, washing slag water system comprises at least 2 slag-washing-out pumps, 2 cover washing slag water pipelines, washing slag water switched system and washing slag water heat-obtaining system, 2 cover washing slag water pipelines are all connected with washing slag water heat-obtaining system.
Description
Technical field
The utility model relates to blast furnace slag quenching water heat recovery technology field, particularly a kind of blast furnace slag quenching water waste heat recovery washing slag water switched system.
Background technology
Large-scale iron-smelting blast furnace slag flushing process adopts mostly because of bar, Ming Te or good permanent method, and often overlap flushing cinder system configuration 2 or multiple stage slag-washing-out pump, two cover flushing cinder pipelines in this type of technique, do not relate to large-scale flushing cinder pond, floor space is little, compact construction, saving space.1 or multiple stage water pump operation during normal work, remain 1 or multiple stage water pump is reserve pump; Washing slag water pipeline has two, and a conveying washing slag water, another is spare duct.When the slag-washing-out pump run or washing slag water pipeline occur abnormal, washing slag water system for subsequent use can be switched to fast.Using exhaust heat of slag flushing water recovery technology is day by day ripe, can realize the waste heat recycling in flushing cinder system.But, for the UTILIZATION OF VESIDUAL HEAT IN of flushing cinder system for subsequent use, there is no good solution at present.
Utility model content
The utility model is intended to propose that a kind of structure is simple, easy switching, can realize the blast furnace slag quenching water waste heat recovery washing slag water switched system that washing slag water and washing slag water system waste heat for subsequent use reclaim.
The technical solution of the utility model is achieved in that
A kind of blast furnace slag quenching water waste heat recovery washing slag water switched system, comprise: blast furnace and a set of washing slag water system, washing slag water system comprises at least 2 slag-washing-out pumps, 2 cover washing slag water pipelines, washing slag water switched system and washing slag water heat-obtaining system, and 2 cover washing slag water pipelines are all connected with washing slag water heat-obtaining system;
Washing slag water pipeline comprises the first washing slag water pipeline and the second washing slag water pipeline, the entrance of the first washing slag water pipeline and the second washing slag water pipeline is respectively arranged with the first slag-washing-out pump and the second slag-washing-out pump, and the first slag-washing-out pump and the second slag-washing-out pump are respectively arranged with the first slag-washing-out pump valve and the second slag-washing-out pump valve;
First washing slag water pipeline enters washing slag water heat-obtaining system by the first washing slag water pipeline heat-obtaining system entry valve, and leaves washing slag water heat-obtaining system by the first washing slag water pipeline heat-obtaining system outlet valve;
Second washing slag water pipeline enters washing slag water heat-obtaining system by the second washing slag water pipeline heat-obtaining system entry valve, and leaves washing slag water heat-obtaining system by the second washing slag water pipeline heat-obtaining system outlet valve;
First washing slag water pipeline and the second washing slag water pipeline are respectively arranged with the first washing slag water pipe valve and the second washing slag water pipe valve, between the first washing slag water pipeline and the second washing slag water pipeline, are provided with pipeline switching valve door.
Preferably, also comprise 1 the 3rd slag-washing-out pump, the 3rd slag-washing-out pump is arranged the 3rd slag-washing-out pump valve, the 3rd slag-washing-out pump valve is connected with the first washing slag water pipeline by the 4th valve, is connected with the second washing slag water pipeline by the 5th valve.
Preferably, pipeline switching valve door is the one in manually-operated gate, electrically operated valve or operated pneumatic valve.
Compared with prior art, the blast furnace slag quenching water waste heat recovery washing slag water switched system that the utility model proposes, adopt a set of washing slag water heat-obtaining system, the waste heat recovery achieving washing slag water system and washing slag water system for subsequent use is switched by pipeline, washing slag water current through line can also be controlled flexibly by control water pump, valve, ensure that flushing cinder system and heat-obtaining system switch fast, timely.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation of a kind of blast furnace slag quenching water waste heat recovery of the utility model washing slag water switched system;
Fig. 2 is another embodiment of Fig. 1.
In figure: 1, the first slag-washing-out pump; 2, the second slag-washing-out pump; 3, the first slag-washing-out pump valve; 4, the second slag-washing-out pump valve; 5, the first washing slag water pipe valve; 6, the second washing slag water pipe valve; 7, the first washing slag water pipeline; 8, the second washing slag water pipeline; 9, the first washing slag water pipeline heat-obtaining system entry valve; 10, the second washing slag water pipeline heat-obtaining system entry valve; 11, the second washing slag water pipeline heat-obtaining system outlet valve; 12, the first washing slag water pipeline heat-obtaining system outlet valve; 13, pipeline switching valve door; 14, the 3rd slag-washing-out pump; 15, the 3rd slag-washing-out pump valve; 16, the 5th valve; 17, the 4th valve.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
As shown in Figure 1: a kind of blast furnace slag quenching water waste heat recovery washing slag water switched system, comprise: blast furnace and a set of washing slag water system, washing slag water system comprises at least 2 slag-washing-out pumps, 2 cover washing slag water pipelines, washing slag water switched system and washing slag water heat-obtaining system, and 2 cover washing slag water pipelines are all connected with washing slag water heat-obtaining system;
Washing slag water pipeline comprises the first washing slag water pipeline 7 and the second washing slag water pipeline 8, the entrance of the first washing slag water pipeline 7 and the second washing slag water pipeline 8 is respectively arranged with on the first slag-washing-out pump 1 and the second slag-washing-out pump 2, first slag-washing-out pump 1 and the second slag-washing-out pump 2 and is respectively arranged with the first slag-washing-out pump valve 3 and the second slag-washing-out pump valve 4;
First washing slag water pipeline 7 enters washing slag water heat-obtaining system by the first washing slag water pipeline heat-obtaining system entry valve 9, and leaves washing slag water heat-obtaining system by the first washing slag water pipeline heat-obtaining system outlet valve 12;
Second washing slag water pipeline 8 enters washing slag water heat-obtaining system by the second washing slag water pipeline heat-obtaining system entry valve 10, and leaves washing slag water heat-obtaining system by the second washing slag water pipeline heat-obtaining system outlet valve 11;
First washing slag water pipeline 7 and the second washing slag water pipeline 8 are respectively arranged with the first washing slag water pipe valve 5 and are provided with pipeline switching valve door 13 between the second washing slag water pipe valve 6, first washing slag water pipeline 7 and the second washing slag water pipeline 8.
Workflow:
Washing slag water heat-obtaining can utilize the first washing slag water pipeline 7: open the first slag-washing-out pump valve 3, close the first washing slag water pipe valve 5, pipeline switching valve door 13, open the first washing slag water pipeline heat-obtaining system entry valve 9, close the second washing slag water pipeline heat-obtaining system entry valve 10, close the first washing slag water pipeline heat-obtaining system outlet valve 12, open the second washing slag water pipeline heat-obtaining system outlet valve 11; First slag-washing-out pump 1 is opened, then washing slag water enters washing slag water heat-obtaining system by valve, the first washing slag water pipeline 7, washing slag water cooled in this heat-obtaining system gets back to the first washing slag water pipeline 7 through the first washing slag water pipeline heat-obtaining system outlet valve 12, then proceeds flushing cinder;
This flow process also can adopt the second slag-washing-out pump 2 to realize, open the second slag-washing-out pump valve 4, second washing slag water pipeline heat-obtaining system entry valve 10, second washing slag water pipeline heat-obtaining system outlet valve 11, all the other valve closess, after then washing slag water can be extracted by the second slag-washing-out pump 2, through valve, pipeline, washing slag water heat-obtaining system, enter the first washing slag water pipeline 7, then carry out flushing cinder;
Washing slag water heat-obtaining flow process utilizes the second washing slag water pipeline 8: similar to utilizing the first washing slag water pipeline 7, the unlatching valve corresponding with the second slag-washing-out pump 2 and on the way valve, also can open the first slag-washing-out pump 1 after valve transfer, be transported to the second washing slag water pipeline 8, then carry out flushing cinder.
Compared with prior art, the blast furnace slag quenching water waste heat recovery washing slag water switched system that the utility model proposes, adopt a set of washing slag water heat-obtaining system, the waste heat recovery achieving washing slag water system and washing slag water system for subsequent use is switched by pipeline, washing slag water current through line can also be controlled flexibly by control water pump, valve, ensure that flushing cinder system and heat-obtaining system switch fast, timely.
As shown in Figure 2: as one preferred embodiment, an embodiment more of the present utility model, also comprise 1 the 3rd slag-washing-out pump 14,3rd slag-washing-out pump 14 is arranged the 3rd slag-washing-out pump valve 15,3rd slag-washing-out pump valve 15 is connected with the first washing slag water pipeline 7 by the 4th valve 17, is connected with the second washing slag water pipeline 8 by the 5th valve 16.
When slag-washing-out pump has 3 cover, then flushing cinder system running state is 2 open 1 standby, and any 2 water pumps all can cooperation, and it is for subsequent use for remaining a water pump.
When startup first slag-washing-out pump 1 and the second slag-washing-out pump 2, open the second slag-washing-out pump valve 4, first slag-washing-out pump valve 3, pipeline switching valve door 13, unlatching second washing slag water pipe valve 6 or the first washing slag water pipe valve 5 can be selected according to pipeline, all the other valve closess, then 2 water pumps gather after current the first washing slag water pipeline 7 or the second washing slag water pipeline 8 can be selected to carry out waste heat recovery and flushing cinder.When unlatching first slag-washing-out pump the 1, the 3rd slag-washing-out pump 14 or open the second slag-washing-out pump 2, the 3rd slag-washing-out pump time 14, similar to unlatching first slag-washing-out pump 1, second slag-washing-out pump 2.
In above-described embodiment, pipeline switching valve door 13 is the one in manually-operated gate, electrically operated valve or operated pneumatic valve.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (3)
1. a blast furnace slag quenching water waste heat recovery washing slag water switched system, it is characterized in that: comprising: blast furnace and a set of washing slag water system, described washing slag water system comprises at least 2 slag-washing-out pumps, 2 cover washing slag water pipelines, washing slag water switched system and washing slag water heat-obtaining system, and the described washing slag water pipeline of 2 cover is all connected with described washing slag water heat-obtaining system;
Described washing slag water pipeline comprises the first washing slag water pipeline (7) and the second washing slag water pipeline (8), described first washing slag water pipeline (7) is respectively arranged with the first slag-washing-out pump (1) and the second slag-washing-out pump (2) with the entrance of described second washing slag water pipeline (8), and described first slag-washing-out pump (1) and described second slag-washing-out pump (2) are respectively arranged with the first slag-washing-out pump valve (3) and the second slag-washing-out pump valve (4);
Described first washing slag water pipeline (7) enters described washing slag water heat-obtaining system by the first washing slag water pipeline heat-obtaining system entry valve (9), and leaves described washing slag water heat-obtaining system by the first washing slag water pipeline heat-obtaining system outlet valve (12);
Described second washing slag water pipeline (8) enters described washing slag water heat-obtaining system by the second washing slag water pipeline heat-obtaining system entry valve (10), and leaves described washing slag water heat-obtaining system by the second washing slag water pipeline heat-obtaining system outlet valve (11);
Described first washing slag water pipeline (7) and described second washing slag water pipeline (8) are respectively arranged with the first washing slag water pipe valve (5) and the second washing slag water pipe valve (6), between described first washing slag water pipeline (7) and described second washing slag water pipeline (8), are provided with pipeline switching valve door (13).
2. blast furnace slag quenching water waste heat recovery washing slag water switched system according to claim 1, it is characterized in that: also comprise 1 the 3rd slag-washing-out pump (14), described 3rd slag-washing-out pump (14) arranges the 3rd slag-washing-out pump valve (15), described 3rd slag-washing-out pump valve (15) is connected with the first washing slag water pipeline (7) by the 4th valve (17), is connected with the second washing slag water pipeline (8) by the 5th valve (16).
3. blast furnace slag quenching water waste heat recovery washing slag water switched system according to claim 1 and 2, is characterized in that: described pipeline switching valve door (13) is manually-operated gate, one in electrically operated valve or operated pneumatic valve.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420864724.6U CN204455148U (en) | 2014-12-31 | 2014-12-31 | A kind of blast furnace slag quenching water waste heat recovery washing slag water switched system |
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| CN201420864724.6U CN204455148U (en) | 2014-12-31 | 2014-12-31 | A kind of blast furnace slag quenching water waste heat recovery washing slag water switched system |
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| CN204455148U true CN204455148U (en) | 2015-07-08 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105803137A (en) * | 2014-12-31 | 2016-07-27 | 天津华赛尔传热设备有限公司 | Blast furnace slag washing water waste heat recovery and slag washing water switching process system |
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2014
- 2014-12-31 CN CN201420864724.6U patent/CN204455148U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105803137A (en) * | 2014-12-31 | 2016-07-27 | 天津华赛尔传热设备有限公司 | Blast furnace slag washing water waste heat recovery and slag washing water switching process system |
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